At 0341 hrs on 24th. October 1998, flight BA 114 made a normal ILS approach and landing on to Runway 24 at Shannon Airport.On roll-out, the No. 2 engine surged in reverse thrust and was shut down.The aircraft continued its roll on the runway, and came to a halt with its nose just beyond the intersection of the runway and Taxiway Alpha.A turn was executed on the runway at this point.During the turn the nose wheels of the aircraft left the paved surface and entered on to the grass verge.